78 lines
2.2 KiB
PHP
78 lines
2.2 KiB
PHP
<?php
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/**
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* Piwik - free/libre analytics platform
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*
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* @link http://piwik.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*/
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namespace Piwik\Plugins\CustomPiwikJs\TrackingCode;
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use Piwik\Piwik;
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class PiwikJsManipulator
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{
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const HOOK = '/*!!! pluginTrackerHook */';
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/**
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* @var string
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*/
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private $content;
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/** @var PluginTrackerFiles */
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private $pluginTrackerFiles;
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public function __construct($content, PluginTrackerFiles $pluginTrackerFiles)
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{
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$this->content = $content;
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$this->pluginTrackerFiles = $pluginTrackerFiles;
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}
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public function manipulateContent()
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{
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$files = $this->pluginTrackerFiles->find();
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foreach ($files as $file) {
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$trackerExtension = $this->getSignatureWithContent($file->getName(), $file->getContent());
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// for some reasons it is /*!!! in piwik.js minified and /*!! in js/piwik.js unminified
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$this->content = str_replace(array(self::HOOK, '/*!! pluginTrackerHook */'), self::HOOK . $trackerExtension, $this->content);
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}
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$content = $this->content;
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/**
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* Triggered after the Matomo JavaScript tracker has been generated and shortly before the tracker file
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* is written to disk. You can listen to this event to for example automatically append some code to the JS
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* tracker file.
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*
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* **Example**
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*
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* function onManipulateJsTracker (&$content) {
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* $content .= "\nPiwik.DOM.onLoad(function () { console.log('loaded'); });";
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* }
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*
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* @param string $content the generated JavaScript tracker code
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*/
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Piwik::postEvent('CustomMatomoJs.manipulateJsTracker', array(&$content));
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$this->content = $content;
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return $this->content;
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}
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/**
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* @param string $name
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* @param string $content
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* @return string
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*/
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private function getSignatureWithContent($name, $content)
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{
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return sprintf(
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"\n\n/* GENERATED: %s */\n%s\n/* END GENERATED: %s */\n",
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$name,
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$content,
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$name
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);
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}
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}
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